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Manufacturing and quality control of plasmid-based gene expression systems
Advanced Drug Delivery Reviews
|June 6, 2000
Summary
DNA plasmid technology shows promise for treating diseases and for DNA vaccination, with established regulatory pathways. Manufacturing and characterization methods are advancing, enabling multi-gram production for pharmaceutical use.
Area of Science:
- Biotechnology
- Molecular Biology
- Pharmaceutical Science
Background:
- DNA plasmid-based gene expression systems are under investigation for therapeutic applications and DNA vaccination.
- Human clinical trials are ongoing for plasmid-based drugs, indicating significant therapeutic potential.
Purpose of the Study:
- To review current manufacturing and characterization methods for pharmaceutical-grade DNA plasmids.
- To discuss the evolving regulatory landscape for plasmid-based therapeutics.
Main Methods:
- Adaptation of techniques from large-scale protein purification and molecular biology for plasmid production.
- Characterization methods focus on ensuring high purity (≥95%) and quality for pharmaceutical applications.
Main Results:
- Multi-gram quantities of high-purity plasmids are achievable with current technologies.
- The regulatory framework for biologicals is applicable to plasmid-based drugs, with FDA recognition.
Conclusions:
- Current manufacturing and characterization techniques support the pharmaceutical development of DNA plasmids.
- Further advancements in production and analytical methods are necessary for future drug development and marketing.